December weather forecast
Catatonk, NY

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Weather in December

The first month of the winter, December, is also an icy month in Catatonk, New York, with an average temperature varying between 34.5°F (1.4°C) and 24.8°F (-4°C).

Temperature

Observing a mild shift, the average high-temperature during December reduces from November's chilly 44.6°F (7°C) to an icy 34.5°F (1.4°C). Nighttime temperatures in December average to a freezing cold 24.8°F (-4°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Catatonk, in December, during 11.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Catatonk, during the entire year, the rain falls for 171.9 days and collects up to 32.09" (815mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Catatonk, in December, during 15.4 snowfall days, 5.43" (138mm) of snow is typically accumulated. Throughout the year, there are 79.3 snowfall days, and 33.46" (850mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:43 pm EST.

Sunshine

In December, the average sunshine is 3.1h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 34.5°F (1.4°C) and a low-temperature of 24.8°F (-4°C).

What is the average humidity in December?

In Catatonk, the average relative humidity in December is 85%.

How many days does it rain in December?

In Catatonk, during December, the rain falls for 11.5 days and regularly aggregates up to 2.44" (62mm) of precipitation.

How many days does it snow in December in Catatonk?

In Catatonk, in December, snow falls for 15.4 days, with typically accumulated 5.43" (138mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year in Catatonk, with an average of 9h and 12min of daylight.

How many hours of daylight does Catatonk have in December?

In Catatonk, the average day length in December is 9h and 10min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:43 pm EST.

How many hours of sunshine does Catatonk have in December?

In Catatonk, the average sunshine duration in December is 3.1h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Catatonk, NY

Average temperature in December - Catatonk, NY
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 24.8°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Catatonk, NY

Average pressure in December - Catatonk, NY
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Catatonk, NY

Average wind speed in December - Catatonk, NY
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Catatonk, NY

Average humidity in December - Catatonk, NY
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May, June and July (79%).

Average rainfall in December
Catatonk, NY

Average rainfall in December - Catatonk, NY
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in December
Catatonk, NY

Average rainfall days in December - Catatonk, NY
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in December
Catatonk, NY

Average snowfall in December - Catatonk, NY
  • Average snowfall in December: 5.43"

The month with the highest snowfall is February (8.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Catatonk, NY

Average snowfall days in December - Catatonk, NY
  • Average snowfall days in December: 15.4 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Catatonk, NY

Average daylight in December / Average sunshine in December - Catatonk, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

Average sunshine days in December
Catatonk, NY

Average sunshine days in December - Catatonk, NY
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (6 days).

Average UV index in December
Catatonk, NY

Average UV index in December - Catatonk, NY
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Catatonk, NY

Average cloud cover in December - Catatonk, NY
  • Average cloud cover in December: 68

The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in December
Catatonk, NY

Average visibility in December - Catatonk, NY
  • Average visibility in December: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Catatonk, New York, USA

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